Vulnerability Details CVE-2026-30889
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a moderator could exploit insufficient authorization checks to access metadata of posts they should not have permission to view. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.4%
CVSS Severity
CVSS v3 Score 4.9
Products affected by CVE-2026-30889
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cpe:2.3:a:discourse:discourse:2026.1.0
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cpe:2.3:a:discourse:discourse:2026.2.0
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cpe:2.3:a:discourse:discourse:2026.3.0